0 the method of growing plants in water to which special chemicals are added, rather than growing them in earth -- （植物的）無土種植法，水耕法
In the hydroponics system, over the two weeks after defoliation, the water use of plants with 33 % and 67 % defoliation was 88 % and 70 % that of non-defoliated control, respectively.
There is no evidence that hydroponics would be economically viable in the conditions under which agriculture operates in this country.
Nowadays, however, we treat the soil as though it were water, as though agriculture was a form of hydroponics.
Quite a large number of small people who have some knowledge of hydroponics are prepared to practise it if only they can get the tanks.
I, who had always thought that hydroponics meant flavourless produce, was dumbfounded.
The centre comprises a nursery for attacking insects, hydroponics plant house and chemical.
All of the plants in this section are grown through various methods of hydroponics.
Hydroponics over the past few decades has also branched out into many new areas.
